RFID reader RS232

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RFID reader RS232

Postby airilharith » Thu Oct 04, 2012 11:10 am

Hi,

I need to know whether we need to use IC MAX232 to connect the RFID reader (using DB9 pin) with PIC?

Thanks
airilharith
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Re: RFID reader RS232

Postby shahrul » Thu Oct 04, 2012 3:56 pm

airilharith WROTE:Hi,

I need to know whether we need to use IC MAX232 to connect the RFID reader (using DB9 pin) with PIC?

Thanks

RFID Reader voltage signal is RS232. (-12V to 12). So, need MAX232 to convert RS232 to UART. Ex, Lesson RFID Reader.
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shahrul
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Re: RFID reader RS232

Postby airilharith » Thu Oct 04, 2012 5:00 pm

Shahrul,

Thank you for the info....
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